The RYOBI 12 in. Electric Surface Cleaner is the ideal choice for hard surfaces like driveways, patios and sidewalks. This time saving accessory cleans up to 4X faster than a standard nozzle, with rotating jets that give you a large, streak-free cleaning path. The surface cleaner has a 1/4 in. quick connect that easily attaches to your pressure washer, allowing you to move quickly between jobs. The RYOBI 12 in. Surface Cleaner is compatible with most electric pressure washers up to 2300 psi and 1.4 gpm.. Efficient 12 in cleaning path. Quick-Connect system offers easy attachment/detachment. Cleans up to 4X faster than a standard spray nozzle. Included: No additional items or accessories included. Maximum Pressure (PSI): 2300 psi. Number of Nozzles: 2. Rotation speed (rpm): 1500. Product Width (in.): 12 in. Width of Clearing Path (in.): 12